Rigged his pistol so the trigger and slide work and the magazine is removable. The pouches on his belt as well as his holster are rigid nodes so you may need to make some adjustments to certain poses to keep them from becoming disconnected, most likely with the left arm.
MK1 Stryker Link: https://mega.nz/file/VD9iWDZb#xdiWRJnQhjv4AxdRNtZO0XxbUUVj7kaE8YWre12qpDE